monotouch development on 10.5.8

I can not (or do not know how to) upgrade my mac to 10.6.6

Currently I am running Mac Os X 10.5.8

What downloads do I need to be able to install MonoTouch for 10.5.8? Is it even possible?

According to Profess开发者_运维知识库ional Iphone programming with Monotouch book,

http://www.amazon.com/Professional-iPhone-Programming-MonoTouch-Programmer/dp/047063782X/ref=sr_1_2?ie=UTF8&s=books&qid=1301271660&sr=8-2

page I only need 10.5.7 version.

Is the book out dated?

Is there a way I can download older version of MonoTouch and be able to use it?

Please help.

Thanks..

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My apologies, the MonoTouch documentation is out of date. Apple has refused to accept apps thru iTunes Connect with old versions, and they have dictated a 10.6 requirement, and as such we have dropped 10.5 support. I have updated the outdated page.

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The Monotouch installation documentation claims that 10.5 is supported.
What is going wrong for you, and what leads you to believe that you need 10.6 instead?